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Finding the Fourth Proportional to 58,038.06, 87,059.16 and 18,590.06

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Solution

The fourth proportional to 58,038.06, 87,059.16 and 18,590.06 is: 27,885.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    58,038.06 : 87,059.16 = 18,590.06 : x
  2. Step 2: Convert to fraction form
    58,038.06/87,059.16 = 18,590.06/x
  3. Step 3: Cross multiply
    58,038.06x = 87,059.16 × 18,590.06
  4. Step 4: Simplify right side
    58,038.06x = 1,618,434,572.65
  5. Step 5: Solve for x
    x = 1,618,434,572.65/58,038.06
  6. Step 6: Final answer
    x = 27,885.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.